> It has long been the case that gcc can only be compiled with gcc. Switching > its impl. lang. to c++ doesn't make the porting problem any worse. > > The other "industrial strength" open source c/c++ compiler clang/llvm is also > written in c++. > > They can both be built on windows so it would certainly be possible to port > them to plan9 if there was real demand.
+1 ++L